Home / 12,526.24-18,775.92-4,198.60

Finding the Fourth Proportional to 12,526.24, 18,775.92 and 4,198.60

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Solution

The fourth proportional to 12,526.24, 18,775.92 and 4,198.60 is: 6,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.24 : 18,775.92 = 4,198.60 : x
  2. Step 2: Convert to fraction form
    12,526.24/18,775.92 = 4,198.60/x
  3. Step 3: Cross multiply
    12,526.24x = 18,775.92 × 4,198.60
  4. Step 4: Simplify right side
    12,526.24x = 78,832,577.71
  5. Step 5: Solve for x
    x = 78,832,577.71/12,526.24
  6. Step 6: Final answer
    x = 6,293.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.